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shutvik [7]
3 years ago
9

5(2x - 5) + 10x = 75

Mathematics
1 answer:
serg [7]3 years ago
7 0

Answer:

x = 5

Step-by-step explanation:

5(2x-5) +10x = 75

10x -25 +10x = 75

20x - 25 = 75

20x = 100

x = 5

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A.<br> B.<br> C.<br> D.<br> ????????????
qaws [65]

n^{16} and 9 are the squares of, respectively, n^8 and 3.

So, using

a^2-b^2=(a+b)(a-b)

we have

n^{16}-9=(n^8+3)(n^8-3)

4 0
3 years ago
Which of the following coordinates exists on the line y = 3x + 1?
Natalija [7]

We are given

equation of line as

y=3x+1

we will check each options

option-A:

we can plug (3,1)

x=3 and y=1

1=3*3+1

1=10

we can see that

they are not equal

so, this is FALSE

option-B:

we can plug (-1,-2)

x=-1 and y=-2

-2=3*-1+1

-2=-2

we can see that

they are equal

so, this is TRUE

option-C:

we can plug (-3,4)

x=-3 and y=4

4=3*-3+1

4=-8

we can see that

they are not equal

so, this is FALSE

option-D:

we can plug (2,6)

x=2 and y=6

6=3*2+1

6=7

we can see that

they are not equal

so, this is FALSE


6 0
3 years ago
Read 2 more answers
A bag contains 5 red marbles, 3 white marbles, and 4 blue marbles. what is the probability of randomly selecting a red marble, s
Dennis_Churaev [7]
Total number of marbles=5+3+4=12
Probability of picking a red marble =5/12
5 0
3 years ago
Janet plans to save $22.50 each week until she has enough to buy a $180 bicycle. After how many weeks will she have enough money
Darya [45]

Answer:

Step-by-step explanation:

8weeeks bc 22.50*8=180

4 0
2 years ago
The length of a shadow of a building is
timofeeve [1]
H^2=x^2+y^2

35^2=29^2+y^2

y^2=35^2-29^2

y^2=384

y=√384

y≈19.60 m  (to the nearest hundredth of a meter, or nearest centimeter)

6 0
3 years ago
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